Alan Cox wrote:
Should do. There is a corner case of SMP with only one CPU having SSE but thats already broken in Mesa and many other packages. The more thorough case is you use /dev/cpu/%d/cpuid to check the CPUid on each processor but I'm not sure thats neccessary in reality
I had that issue in the back of my mind as well. I ran into this problem while working at Sequent when we got the first quads with MMX capable CPUs. There was no way in ptx to find out which CPUs supported which features. That was particularly annoying to me because we ended up with some engineering development servers that had PentiumPro, Pentium II Xeon, and Pentium III Xeon quads. Anyway, those days are almost as long gone as my Amiga days... ;)
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